Drain nozzle

摘要

A drain nozzle for fire fighting including a nozzle barrel and bafflehead, a floor grating providing the bafflehead, the nozzle barrel adjustably attached by an adjustment ring to the grating, the nozzle barrel not touching the bafflehead, the grating and bafflehead directing the discharge into an appropriate pattern.

主权项

1. A drain nozzle system having a nozzle defining a predominant flow path for discharge of fluid for fire fighting, comprising:
a floor grating providing fluid drains structured to drain fluid through, and to below, the grating and defining a bafflehead of the nozzle, the bafflehead integrated into the floor grating; a nozzle barrel, adjustably attachable to the floor grating, wherein adjustably attachable includes adjustable in the direction of flow; the bafflehead and nozzle barrel defining an adjustable annular discharge gap therebetween within the predominant flow path; and the grating and nozzle barrel structured in combination such that the grating defines a passage in and through the grating for discharge from the nozzle barrel.